diff --git a/src/main/java/de/uniluebeck/mi/projmi6/model/Fall.java b/src/main/java/de/uniluebeck/mi/projmi6/model/Fall.java
index 595fbd5..4b9fbd4 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/model/Fall.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/model/Fall.java
@@ -11,7 +11,7 @@ import java.time.LocalDateTime;
 /**
  * Created by 627933 on 12.11.15.
  */
-public class Fall {
+public class Fall extends Version {
     private Patient patient;
     private Kasse kasse;
     private Diagnose hauptDiagnose;